1. Immunology/Inflammation
  2. COX
  3. Piroxicam

Piroxicam (Synonyms: CP-16171)

Cat. No.: HY-B0253 Purity: 99.61%
Handling Instructions

Piroxicam (CP-16171) is a non-steroidal anti-inflammatory drugs, acts as a COX inhibitor, with IC50s of 47, 25 μM for human monocyte COX-1 and COX-2, respectively.

For research use only. We do not sell to patients.

Piroxicam Chemical Structure

Piroxicam Chemical Structure

CAS No. : 36322-90-4

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Based on 1 publication(s) in Google Scholar

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Description

Piroxicam (CP-16171) is a non-steroidal anti-inflammatory drugs, acts as a COX inhibitor, with IC50s of 47, 25 μM for human monocyte COX-1 and COX-2, respectively.

IC50 & Target[1]

COX-2

25 μM (IC50, in human monocytes)

COX-1

47 μM (IC50, in human monocytes)

In Vitro

Piroxicam (CP-16171) is a non-steroidal anti-inflammatory drugs, acts as a COX inhibitor, with IC50s of 47, 25 μM for human monocyte COX-1 and COX-2, respectively[1]. Piroxicam (CP-16171) (167, 333, 500 μM) decreases cell population of T24 and the 5637 cells. Piroxicam (CP-16171) (500 μM) also reduces the cell viability of T24 and 5637 cell, and is significantly effective when combined with 0.05 μM carboplatin. The combination also inhibits Ki-67 expression in booth cells[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

Piroxicam (CP-16171) (0.3 mg/kg qd 24-h p.o.) reduces tumor volume in 12 of 18 dogs, and such and effect is via induction of apoptosis and reduction in urine basic fibroblast growth factor concentration[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Clinical Trial
Molecular Weight

331.35

Formula

C₁₅H₁₃N₃O₄S

CAS No.
SMILES

O=C(C1=C(O)C2=CC=CC=C2S(N1C)(=O)=O)NC3=NC=CC=C3

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 50 mg/mL (150.90 mM; Need ultrasonic)

H2O : < 0.1 mg/mL (insoluble)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.0180 mL 15.0898 mL 30.1796 mL
5 mM 0.6036 mL 3.0180 mL 6.0359 mL
10 mM 0.3018 mL 1.5090 mL 3.0180 mL
*Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (7.54 mM); Clear solution

  • 2.

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.5 mg/mL (7.54 mM); Clear solution

  • 3.

    Add each solvent one by one:  10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (7.54 mM); Clear solution

*All of the co-solvents are provided by MCE.
References
Cell Assay
[3]

Urinary bladder cancer cell lines are treated with graded concentrations of carboplatin (0.05, 0.5 and 1 μM) and Piroxicam (CP-16171) (167, 333 and 500 μM) for 72 h to assess dose-response profiles. For the combination approach, 0.05 μM of carboplatin is used with 333 μM Piroxicam. Both drugs are freshly prepared before each experiment. An untreated control group (cells not exposed to carboplatin and Piroxicam) is used for all assays[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration
[2]

Dogs[2]
Dogs undergo tumor staging, including thoracic and abdominal radiography, cystography, ultrasonography, and cystoscopy (with collection of tissue samples) before treatment and after 4 weeks of Piroxicam (CP-16171) (0.3 mg/kg qd 24-h p. o.) treatment. Dogs receive no other cancer treatment during the 4 weeks of Piroxicam (CP-16171) treatment. Tissue samples are immediately frozen in liquid nitrogen for PGE2 analysis or fixed in 10% neutral buffered formalin for immunohistochemical examination. Urine is also collected before and after Piroxicam treatment, aliquoted, and then stored at −80°C until analyzed[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References
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Keywords:

PiroxicamCP-16171CP16171CP 16171COXCyclooxygenaseInhibitorinhibitorinhibit

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